Potential hotspots of amphibian roadkill risk in Spain.

We test a forecasting strategy to identify potential hotspots of amphibian roadkill, combining the spatial distribution of amphibians, their relative risk of collision with vehicles and data on road density in Spain. We extracted a large dataset from studies reporting road casualties of 39 European amphibian species and then estimated the ‘relative roadkill risk’ of species as the frequency of occurrence of casualties for each amphibian and standardized by the range of distribution of the species in Europe. Using a map with the spatial distribution of Spanish amphibians at a spatial resolution of 10 × 10 Km squares, we estimated the ‘cumulative relative risk of roadkill’ for each amphibian assemblage as the sum of risk estimates previously calculated for each species. We also calculated the total length of roads in each square (road density). Finally, combining all layers of information, we elaborated a forecasting map highlighting the potential amphibian roadkill risk across Spain. Our findings are relevant to suggest areas that should be focused on at more detailed spatial scales. Additionally, we found that the frequency of roadkill was unrelated to the evolutionary distinctiveness score and conservation status of amphibian species, while was positively correlated with their distribution range.

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Morelli F. Benedetti Y. Szkudlarek M. Zeid F.A. Delgado J.D. y Kaczmarski M. Potential hotspots of amphibian roadkill risk in Spain. Elsevier, 2023. https://doi.org/10.1016/j.jenvman.2023.118346

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Tipo de recurso Texto
Fecha de creación 23-05-2025
Fecha de última modificación 23-05-2025
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Identificador de los metadatos 3ed7c50a-4cfc-533d-bd42-6612424e50bb
Idioma de los metadatos Español
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Categoría temática ISO 19115 biota
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Nombre del autor Morelli, F., Benedetti, Y., Szkudlarek, M., Zeid, F.A., Delgado, J.D. y Kaczmarski, M.
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Identificador alternativo DOI: 10.1016/j.jenvman.2023.118346
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